public class BoxCacheError{
    public static void main(String[] args) {
 
        Integer n1 = 123;
        Integer n2 = 123;
        Integer n3 = 128;
        Integer n4 = 128;
 
        System.out.println(n1 == n2);
        System.out.println(n3 == n4);
    }
}
